COMMUNICATION SYSTEM AND COMMUNICATION METHOD

摘要

Communication systems and communication methods capable of evaluating a voice quality in a voice communication of a communication network and a presence or absence of a call drop of the voice communication are provided. A voice communication of transceiving a test signal for voice communication quality evaluation between a communication terminal apparatus 100 and a voice communication evaluation system 400 via the communication network 300 is performed. A voice quality evaluation value is calculated based on the test signal before transmission and the test signal after reception in the voice communication. A presence or absence of a call drop of the voice communication is determined based on a presence or absence of reception interruption of the test signal.

主权项

1. A communication system comprising a communication terminal apparatus and a voice communication evaluation system capable of communicating with the communication terminal apparatus via a communication network, comprising:
means of performing a voice communication for transceiving a test signal for voice communication quality evaluation between the communication terminal apparatus and the voice communication evaluation system via the communication network; means of calculating a voice quality evaluation value based on a test signal before transmission and a test signal after reception in the voice communication; and means of determining a presence or absence of a call drop of voice communication based on a presence or absence of a reception interruption of the test signal.